package Test1;

public class Main {
    public static void main(String[] args){
        //创建对象并测试
            Staff s1 = new Staff("",19);
            Staff s2 = new Staff("张三",180);
            Staff s3 = new Staff("张三",22);
        System.out.println("s1="+s1+"\n"+"s2="+s2+"\n"+"s3="+s3);
    }
}
